CN211525146U

CN211525146U - Industrial ceiling fan

Info

Publication number: CN211525146U
Application number: CN201922466325.XU
Authority: CN
Inventors: 吴斌; 郑炜
Original assignee: Fujian Zhongyan Electromechanical Technology Co ltd
Current assignee: Fujian Zhongyan Electromechanical Technology Co ltd
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2020-09-18
Anticipated expiration: 2029-12-31

Abstract

The utility model relates to an industrial ceiling fan, which comprises a driving motor, a plurality of annular mounting seats, fan blades and a fixed suspension rod, wherein the mounting seats are uniformly and fixedly arranged at the edge of the upper end surface of the driving motor; the outer rotor comprises an outer rotor casing for driving the fan blades to rotate and outer rotor magnetic steel fixedly arranged on the inner side surface of the outer rotor casing; the inner stator comprises an inner stator casing fixedly arranged on the rotating shaft base and an inner stator punching sheet arranged on the outer side surface of the inner stator casing; the bottom of the inner stator casing is fixedly provided with a circular radiating fin, and the inner side surface and the lower surface of the radiating fin are annularly provided with radiating bulges; the top end and the side surface of the outer rotor casing are closed; a heat radiation fan is arranged below the heat radiation fin; the heat radiation fan is fixedly connected with the bottom end of the side face of the outer rotor casing. The utility model discloses have good heat radiation structure, the radiating effect is better, is favorable to prolonging the life of motor.

Description

Industrial ceiling fan

Technical Field

The utility model relates to an industrial ceiling fan belongs to electromechanical device technical field.

Background

The industrial ceiling fan can most efficiently push a large amount of air to move, generate super large air quantity, enable a space to form a moving and circulating airflow field, can effectively regulate and control the air circulation problem of an industrial production workshop, and has incomparable application advantages compared with the traditional air conditioner and a small high-speed fan. When the industrial ceiling fan works, the alternating current generates eddy current loss in the iron core and the magnetic yoke, a large amount of heat can be generated, the temperature of the motor is increased when the motor works, and the normal work of the industrial ceiling fan can be influenced by overhigh temperature; the industrial ceiling fan in the prior art is not cooled by a conventional mode of adopting a motor cooling fin, lacks a better heat dissipation structure, has a poor heat dissipation effect and causes adverse effects on the service life of the motor.

SUMMERY OF THE UTILITY MODEL

The utility model provides an industrial ceiling fan, the normal work of industrial ceiling fan is guaranteed in the heat dissipation of realization industrial ceiling fan during operation that can be better.

The technical scheme of the utility model as follows:

an industrial ceiling fan comprises a driving motor, a plurality of annular mounting seats uniformly and fixedly arranged on the edge of the upper end face of the driving motor, fan blades correspondingly and fixedly arranged on the mounting seats, and a fixed suspension rod fixedly arranged in the middle of the end face of the driving motor;

the driving motor comprises a rotating shaft base, a fixed rotating shaft inserted in the rotating shaft base, an inner stator fixedly arranged on the rotating shaft base and an outer rotor arranged on the fixed rotating shaft and rotating around the inner stator relatively;

the outer rotor comprises an outer rotor casing for driving the fan blades to rotate and outer rotor magnetic steel fixedly arranged on the inner side surface of the outer rotor casing; the inner stator comprises an inner stator casing fixedly arranged on the rotating shaft base and an inner stator punching sheet arranged on the outer side surface of the inner stator casing;

the bottom of the inner stator casing is fixedly provided with a circular radiating fin; the upper part of the radiating fin is arranged in the inner stator shell; the lower part of the circular cooling fin extends to the lower parts of the inner stator punching sheet and the outer rotor magnetic steel; radiating bulges are annularly arranged on the inner side surface and the lower surface of the annular radiating fin; the top end and the side surface of the outer rotor casing are closed; a heat radiation fan is arranged below the heat radiation fin; the heat radiation fan is fixedly connected with the bottom end of the side face of the outer rotor casing.

Furthermore, the inner end of the mounting seat is fixedly arranged on the surface of the outer rotor casing, the outer end of the mounting seat extends out of the edge of the end face of the outer rotor casing, and a clamping groove for embedding the fan blade is formed in the outer end of the mounting seat.

Furthermore, a fixing ring is fixedly arranged at the outer end of the mounting seat.

Further, the fan blade comprises a hollow shell and a sweeping fan foot; the sweeping fan foot is arranged at one end of the shell, which is far away from the fixed hanging rod.

Further, a plurality of vertical beams are arranged inside the shell to divide the inside of the shell into a plurality of cavities.

Furthermore, a plurality of hollow cylindrical bolts with different diameters are arranged on the side surface of the foot of the sweeping fan; and the bolt is in interference fit with the vertical beam or the arc-shaped shell.

Furthermore, a connecting seat fixedly connected with the fixed suspender is arranged at one end of the fixed rotating shaft extending out of the top end of the outer rotor casing.

The utility model discloses following beneficial effect has:

1. the utility model discloses an external rotor drive flabellum is rotatory, and the fan foot increase of sweeping that sets up on the flabellum sweeps the wind area, improves the wind speed.

2. The utility model discloses a each parts simple structure is light and handy, has saved the use of material under the circumstances of guaranteeing basic work requirement.

3. The utility model discloses structural design is ingenious, and the resource has still been practiced thrift when cooling fan sets up the rotation that follows outer rotor housing on outer rotor housing and has improved the radiating efficiency on the one hand.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a cross-sectional view of the driving motor of the present invention;

FIG. 3 is a schematic view of the internal air flow of the driving motor of the present invention during operation;

FIG. 4 is a connection diagram of the mounting seat, the driving motor and the fixing ring;

fig. 5 is a cross-sectional view of the fan blade of the present invention.

The reference numbers in the figures denote:

1. a drive motor; 11. a rotating shaft base; 12. fixing the rotating shaft; 13. an inner stator; 131. an inner stator case; 132. an inner stator punching sheet; 14. an outer rotor; 141. an outer rotor casing; 142. outer rotor magnetic steel; 2. a fan blade; 21. a housing; 22. sweeping fan feet; 221. a bolt; 23. a vertical beam; 3. a mounting seat; 31. a card slot; 4. fixing the suspender; 5. a heat sink; 51. a heat dissipation protrusion; 6. a stationary ring; 7. a connecting seat; 8. a heat dissipation fan.

Detailed Description

The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.

Referring to fig. 1 to 5, an industrial ceiling fan includes a driving motor 1, a plurality of mounting bases 3 uniformly and fixedly disposed on an edge of an upper end surface of the driving motor 1 in an annular shape, fan blades 2 correspondingly and fixedly disposed on the mounting bases 3, and a fixed suspension rod 4 fixedly disposed in a middle of an end surface of the driving motor 1;

the driving motor 1 comprises a rotating shaft base 11, a fixed rotating shaft 12 inserted in the rotating shaft base 11, an inner stator 13 fixedly arranged on the rotating shaft base 11, and an outer rotor 14 arranged on the fixed rotating shaft 12 and rotating around the inner stator 13 relatively;

the outer rotor 14 comprises an outer rotor casing 141 for driving the fan blades 2 to rotate and outer rotor magnetic steel 142 fixedly arranged on the inner side surface of the outer rotor casing 141;

the inner stator 13 comprises an inner stator casing 131 fixedly arranged on the rotating shaft base 11 and an inner stator punching sheet 132 fixedly arranged on the outer side surface of the inner stator casing 131;

the bottom of the inner stator casing 131 is fixedly provided with a circular radiating fin 5; the upper part of the radiating fin 5 is arranged inside the inner stator casing 131; the lower part of the circular cooling fin 5 extends to the lower parts of the inner stator punching sheet 132 and the outer rotor magnetic steel 142; the inner side surface and the lower surface of the circular radiating fin 5 are annularly provided with radiating bulges 51;

the top end and the side surface of the outer rotor casing 141 are closed; a heat radiation fan 8 is arranged below the heat radiation fin 5; the heat dissipation fan 8 is fixedly connected to the bottom end of the side surface of the outer rotor casing 141.

As can be seen from the above description, the heat sink 5 is disposed below the heat generated by the inner stator 13 and the outer rotor 14 during operation, and the heat dissipation protrusion 51 disposed on the heat sink 5 has a large contact area with the internal air of the driving motor 1, which is beneficial for heat dissipation; as shown by the arrow direction in fig. 2, the heat dissipation fan 8 is skillfully arranged below the heat dissipation fins 5, so that not only the heat generated at the outer rotor 14 and the inner stator 13 can be dissipated in time, but also the heat in the inner space of the inner stator 13 can be dissipated.

The inner end of the mounting base 3 is fixedly arranged on the surface of the outer rotor casing 141, the outer end of the mounting base extends out of the edge of the end face of the outer rotor casing 141, and a clamping groove 31 for the fan blade 2 to be embedded is arranged on the outer end of the mounting base 3.

As can be seen from the above description, the plurality of mounting seats 3 are annularly arranged on the driving motor 1 and connected to the fan blades 2, so that the fan blades 2 are uniformly arranged at a certain angle; the fan blades 2 are fixedly embedded into the clamping grooves 31, so that space is saved, and the weight of the fan blades is reduced.

Wherein, a fixing ring 6 is fixedly arranged on the outer end of the mounting seat 3.

As can be seen from the above description, the fixing ring 6 is provided to prevent the blades 2 from contacting each other due to the change of the relative angle caused by unstable fixation, by limiting the relative position between the blades 2.

The fan blade 2 comprises a hollow shell 21 and a sweeping fan foot 22; the sweeping fan foot 22 is disposed at an end of the housing 21 remote from the fixed boom 4.

From the above description, 21 position hollow structure of casing has still alleviateed self weight when guaranteeing that the area of sweeping the wind is sufficient, the area of sweeping the wind has been increased in the setting of sweeping fan foot 22, has improved the utility model discloses a work efficiency.

Wherein, a plurality of vertical beams 23 are arranged inside the shell 21 to divide the inside of the shell 21 into a plurality of cavities.

Wherein, the side of the sweeping fan foot 22 is provided with a plurality of hollow cylindrical bolts 221 with different diameters; the bolt 221 is in interference fit with the vertical beam 23 or the bolt 221 and the arc-shaped shell 21.

As can be seen from the above description, the vertical beams 23 support the inside of the casing 21 to prevent the casing 21 from deforming, and the fixed fit between the sweeping fan feet 22 and the casing 21 also avoids the trouble of adding other parts on the basis of ensuring the firmness.

Wherein, a connecting seat 7 fixedly connected with the fixed suspension rod 4 is arranged at one end of the fixed rotating shaft 12 extending out of the top end of the outer rotor casing 141.

The utility model discloses a theory of operation:

an industrial ceiling fan comprises a driving motor 1, a plurality of mounting seats 3 which are uniformly and fixedly arranged on the edge of the upper end face of the driving motor 1 in an annular shape, fan blades 2 which are correspondingly and fixedly arranged on the mounting seats 3, and a fixed suspension rod 4 which is fixedly arranged in the middle of the end face of the driving motor 1;

the fan blades 2 are fixedly arranged on the outer rotor 14 shell of the driving motor 1, and the fixed suspension rod 4 is used for hoisting the driving motor 1; when the driving motor 1 works, the inner stator 13 is fixed, the outer shell of the outer rotor 14 drives the fan blades 2 to rotate relative to the fixed rotating shaft 12, and the fan blades 2 are provided with fan sweeping feet 22 which can increase the wind sweeping area; the heat sink 5 installed at the bottom of the inner stator housing 131 absorbs the heat generated between the outer rotor 14 and the inner stator 13 to achieve the purpose of heat dissipation, the heat sink 5 is embedded inside the inner stator 13 to increase the contact area between the heat sink 5 and the heating part of the driving motor 1, wherein the surface of the heat sink 5 is provided with heat dissipation protrusions 51 to further increase the contact area between the heat sink 5 and the air inside the driving motor 1 for better heat dissipation; the heat radiation fan 8 is arranged below the heat radiation fins 5, the heat radiation fan 8 is fixed on the outer rotor casing 141, and the heat radiation fan 8 starts to work when the outer rotor 14 casing rotates.

The above only is the embodiment of the present invention, not limiting the patent scope of the present invention, all the equivalent structures or equivalent processes that are used in the specification and the attached drawings or directly or indirectly applied to other related technical fields are included in the patent protection scope of the present invention.

Claims

1. An industrial ceiling fan, its characterized in that: the fan blade fixing device comprises a driving motor (1), a plurality of mounting seats (3) which are uniformly and fixedly arranged on the edge of the upper end face of the driving motor (1) in an annular shape, fan blades (2) which are correspondingly and fixedly arranged on the mounting seats (3), and a fixing suspender (4) which is fixedly arranged in the middle of the end face of the driving motor (1);

the driving motor (1) comprises a rotating shaft base (11), a fixed rotating shaft (12) which is inserted into the rotating shaft base (11), an inner stator (13) which is fixedly arranged on the rotating shaft base (11) and an outer rotor (14) which is arranged on the fixed rotating shaft (12) and rotates around the inner stator (13) relatively;

the outer rotor (14) comprises an outer rotor casing (141) for driving the fan blades (2) to rotate and outer rotor magnetic steel (142) fixedly arranged on the inner side surface of the outer rotor casing (141);

the inner stator (13) comprises an inner stator casing (131) fixedly arranged on the rotating shaft base (11) and an inner stator punching sheet (132) fixedly arranged on the outer side surface of the inner stator casing (131);

the bottom of the inner stator casing (131) is fixedly provided with a circular ring radiating fin (5); the upper part of the radiating fin (5) is arranged inside the inner stator casing (131); the lower part of the radiating fin (5) extends to the lower parts of the inner stator punching sheet (132) and the outer rotor magnetic steel (142); radiating bulges (51) are annularly arranged on the inner side surface and the lower surface of the annular radiating fin (5); the top end and the side surface of the outer rotor casing (141) are closed; a heat radiation fan (8) is arranged below the heat radiation fin (5); the heat radiation fan (8) is fixedly connected with the bottom end of the side surface of the outer rotor casing (141).

2. The industrial ceiling fan of claim 1, wherein: the inner end of the mounting seat (3) is fixedly arranged on the surface of the outer rotor casing (141), the outer end of the mounting seat extends out of the edge of the end face of the outer rotor casing (141), and a clamping groove (31) for the fan blade (2) to be embedded into is formed in the outer end of the mounting seat (3).

3. The industrial ceiling fan of claim 1, wherein: and a fixing ring (6) is fixedly arranged on the outer end of the mounting seat (3).

4. The industrial ceiling fan of claim 1, wherein: the fan blade (2) comprises a hollow shell (21) and a sweeping fan foot (22); the sweeping fan foot (22) is arranged at one end of the shell (21) far away from the fixed suspender (4).

5. The industrial ceiling fan of claim 4, wherein: the shell (21) is internally provided with a plurality of vertical beams (23) which divide the interior of the shell (21) into a plurality of cavities.

6. The industrial ceiling fan of claim 5, wherein: a plurality of hollow cylindrical bolts (221) with different diameters are arranged on the side surface of the sweeping fan foot (22); the bolt (221) is in interference fit with the adjacent vertical beam (23) or the bolt (221) is in interference fit with the interior of the shell (21).

7. The industrial ceiling fan of claim 1, wherein: and a connecting seat (7) fixedly connected with the fixed suspender (4) is arranged at one end of the fixed rotating shaft (12) extending out of the top end of the outer rotor casing (141).